Centropa is the signature project of the Central Europe Center for Research and Documentation, a US-based non-profit corporation, headquartered in Vienna, Austria. They are an international team of historians, filmmakers, web designers, journalists, educators, photographers and Jewish community activists. The goal is to create a window into Jewish history, and current events, in Central and Eastern Europe and the former Soviet Union. In English, German and Hungarian.

The Russian Church and Native Alaskan Cultures, presented by the Library of Congress, is an online exhibit dealing with the effect of the Russian Orthodox church on the native peoples of Alaska. In English.